Worksheet
Curated OER

Tracing Triangles

For Students 1st - 3rd
In this tracing triangles activity, students recognize, trace, and draw different forms and sizes of triangular figures. Students complete two triangle activities.
Lesson Plan
Curated OER

Animal Classification

For Teachers 3rd
Third graders differentiate between vertebrates and invertebrates, and identify the main characteristics of mammals, fish, reptiles, amphibians, and birds. They sort and categorize different types of balls, discuss the characteristics...
Lesson Plan
Curated OER

Orbital path of Landsat

For Teachers 6th - 8th
Middle schoolers comprehend how Landsat satellites orbit teh Earth to produce images. They comprehend the elliptical path of satellites. Students recognize that a different orbital path is needed for different satellites to perform their...
Lesson Plan
Curated OER

Line: a Geometric Exercise

For Teachers K - 12th
Students study the different types of lines and create a drawing demonstrating what they learned.
Lesson Plan
Willow Tree

Common Geometric Figures

For Students 8th - 11th Standards
Geometry could be called the study of figures. An overview of the figures found in a typical geometry course contains a study of different triangles, quadrilaterals, and regular polygons. 
Lesson Plan
Curated OER

Guess My Shape

For Teachers Pre-K - 1st
Learners play a game with shapes. They work in groups to identify the names and characteristics of various shapes. They give each other clues to see if others can identify the shape being described. This is a great hands on activity.
Worksheet
Curated OER

Tessellations

For Students 10th
In this tessellations activity, 10th graders solve 6 different types of tessellation problems that includes drawing. First, they define polygon, regular polygon, tessellation, regular tessellation, and semi-regular tessellation. Then,...
Worksheet
Curated OER

Interior and Exterior Angles

For Students 10th
In this interior and exterior angles worksheet, 10th graders solve 10 different problems that include determining the interior and exterior of various triangles. They determine the measure of an exterior angle and then they determining...
Worksheet
Curated OER

Functions

For Students 10th
In this functions worksheet, 10th graders solve and complete 6 different types of problems. First, they find the largest value of a given function. Then, students determine the values of the constants a, b, c, dso that the curve is a...
Worksheet
Curated OER

Properties of Angles

For Students 10th
In this properties of angles activity, 10th graders solve and complete 3 different types of problems. First, they calculate the value of the missing angles in each diagram and explain the reasons for their answer. Then, students...
Worksheet
Curated OER

Geometry Standardized Test Practice

For Students 10th
In this angles and figures review activity, 10th graders solve and complete 39 different multiple choice problems. First, they find the length of a line between two given points. Then, students name the type of transformation and the...
Lesson Plan
Curated OER

Isosceles Triangles

For Teachers K - 2nd
Learners investigate triangles. In this shapes geometry lesson, students define and state the attributes for equilateral, scalene, and isosceles triangles. Learners locate the prefix "tri" in a variety of words and make connections with...
Lesson Plan
Curated OER

Triangle Puzzler

For Teachers 5th - 8th
Students are introduced to some basic concepts of geometry. They explain that the definition of a triangle is a figure with three sides, three angles, and three points. Triangles can be named by using three points in their correct sequence.
Organizer
Curated OER

Classifying Shapes Using Venn Diagrams

For Students 3rd - 5th
In this classifying shapes using Venn diagrams worksheet, students draw examples of isosceles, right, and equilateral triangles in the proper sections of the first graphic organizer. They draw polygons, both regular and quadrilaterals,...
Worksheet
Curated OER

Sum of Angles

For Students 6th
In this sum of angles worksheet, 6th graders solve and complete 6 different types of problems. First, they identify different alternate and corresponding angles. Then, students state what the angles of a triangle add up to and how they...
Worksheet
Curated OER

Math Leagues Contest 1

For Students 8th
In this basic algebra worksheet, 8th graders solve and complete 6 different types of algebra problems as described in each box. First, they determine the value of a set of numbers with one pair of positive integers. Then, students...
Worksheet
Curated OER

Classifying Triangles

For Students 10th
In this classifying triangles worksheet, 10th graders solve and complete 11 different types of problems. First, they state whether each segment shown is an altitude, median, or neither. Then, students solve for x and find the requested...
Worksheet
Curated OER

Visualize 3-D Objects and Make Nets of Common Solids

For Students 4th - 5th
In this 3-D objects and common solids worksheet, students cut out and count the number of faces on several different types of boxes and make a cuboid from straws or a card. Students fill out 4 different categories involving 5 different...
Activity
Teach Engineering

Straw Bridges

For Teachers 6th - 8th
Pairs work as engineering teams to design and build model bridges from drinking straws and tape. In this third segment in a series of 10, teams compete in an attempt to build the strongest bridge. To help with the design, the groups...
Lesson Plan
Houghton Mifflin Harcourt

Developing the Concept: Triangles and Quadrilaterals

For Teachers 5th - 7th Standards
Exact narrative and examples make this lesson on polygons easy to implement. Through it, your class will learn how to use a protractor and ruler to construct triangles and quadrilaterals according to your directions. Your class will be...
Worksheet
Curated OER

Label the Shape Worksheet

For Students K
Kindergartners demonstrate their ability to identify seven different shapes by labeling each of the 28 examples on the worksheet. Learners must be able to identify rectangles, diamonds, squares, ovals, triangles, circles, and pentagons.
Worksheet
Curated OER

Triangles

For Students 3rd - 4th
In this triangles learning exercise, students identify 3 triangles by the length of their sides and 3 triangles according to their internal angles.
Worksheet
Curated OER

Exploring Congruent Triangles

For Students 10th
In this congruent triangles worksheet, 10th graders solve 10 different problems related to exploring various types of congruent triangles. First, they label the corresponding parts and use the figures to complete each statement. Then,...
Lesson Plan
Curated OER

Triangles in Architecture

For Teachers 10th - 12th
Young scholars find triangles in the real world. In this geometry lesson, students analyze and identify properties of two and three-dimensional objects. They differentiate between similarity and congruence.